
<Tree Checkable BlockNode TItem="string">
    <Nodes>
        <TreeNode Title="A" TItem="string">
            <Nodes>
                <TreeNode Title="A1" TItem="string">
                    <Nodes>
                        <TreeNode Title="A1-1" TItem="string"></TreeNode>
                        <TreeNode Title="A1-2" TItem="string"></TreeNode>
                    </Nodes>
                </TreeNode>
                <TreeNode Title="A2" Disabled TItem="string">
                    <Nodes>
                        <TreeNode Title="A2-1" TItem="string"></TreeNode>
                        <TreeNode Title="A2-2" TItem="string"></TreeNode>
                    </Nodes>
                </TreeNode>
                <TreeNode Title="A3" DisableCheckbox TItem="string">
                    <Nodes>
                        <TreeNode Title="A3-1" TItem="string"></TreeNode>
                        <TreeNode Title="A3-2" DisableCheckbox TItem="string"></TreeNode>
                        <TreeNode Title="A3-3" Disabled TItem="string"></TreeNode>

                    </Nodes>
                </TreeNode>
            </Nodes>
        </TreeNode>
        <TreeNode Title="B" TItem="string"></TreeNode>
    </Nodes>
</Tree>